#region Copyright Notice
// 
// 
//  
//  Copyright (c) 2009-2011 Anindya Chatterjee
//  
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//  
//      http://www.apache.org/licenses/LICENSE-2.0
//  
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
// 
// 
#endregion
using System;
using System.Data;

namespace AbstractClass.Extensions
{
    /// <summary>
    /// Provides a set of extension methods for <see cref="System.Data"/> classes.
    /// </summary>
    public static class DataExtensions
    {
        /// <summary>
        /// Determines whether the specified <see cref="IDataRecord"/> implementation has a column.
        /// </summary>
        /// <param name="dr">The <see cref="IDataRecord"/> implementation.</param>
        /// <param name="columnName">Name of the column to search.</param>
        /// <returns>
        /// 	<c>true</c> if the specified <see cref="IDataRecord"/> implementation has the column; otherwise, <c>false</c>.
        /// </returns>
        public static bool HasColumn(this IDataRecord dr, string columnName)
        {
            for (int i = 0; i < dr.FieldCount; i++)
            {
                if (dr.GetName(i).Equals(columnName, StringComparison.InvariantCultureIgnoreCase))
                    return true;
            }
            return false;
        }
    }
}